NEW YORK, Aug. 1, 2024 /PRNewswire/ -- Rosen Law Firm, a global investor rights law firm, announces the filing of a class action lawsuit on behalf of purchasers of stock or sellers of puts of MacroGenics, Inc. (NASDAQ: MGNX) between March 7, 2024 and May 9, 2024, both dates inclusive (the "Class Period"). A class action lawsuit has already been filed. If you wish to serve as lead plaintiff, you must move the Court no later than September 24, 2024. To join the MacroGenics class action, go to https://rosenleg ...